The Highest Field Strength Open MRI

Oasis 1.2T MRI system sets a high standard for patient-centric care. A unique achievement in high-performance imaging, the Oasis truly open architecture features advanced magnet design, Zenith RF Technology and robust clinical capabilities to achieve high throughput diagnostic performance.

With an unobstructed viewing angle and the industry’s most accommodating patient table, no other MRI system enables you to capture and retain as broad of a patient demographic as Oasis. Even the most challenging patients can be handled with confidence, without compromising on safety, performance, or efficiency.

Evolution 5 offers many new features and improvements that continue to raise the level of imaging performance and quality, while simultaneously growing the breadth of applications available for diagnostic evaluation in diffusion, motion compensation, liver imaging, cardiac MR, and more.

All Around RADARExpanded motion compensation suite

T2* RelaxMapIron overload quantification

CardiacVisually clearer and more distinct

opFSENew workhorse sequence

Oasis vertical field MRI with Zenith RF Technology places the transverse plane of precession in the coronal plane of the patient. This enables a coil element placed in the axial plane to totally enclose the anatomy detecting more of the available signal compared to surface coils in a horizontal field. The result - maximum signal capture even from the center of the patient with high uniformity.

Only Oasis delivers the full spectrum of whole body imaging capabilities in an open MRI platform. The patient centric design in combination with our leadership in imaging techniques such as fat suppression, non-contrast MRA, and motion compensation capabilities ensure diagnostic confidence and a pleasant patient experience.

Magnet

The Oasis vertical field magnet is 5th generation Hitachi technology providing 1.2T with an open architecture. The magnet features high uniformity complemented by High Order Active Shimming Technology (HOAST) applied per patient.

1.2 Tesla Hitachi vertical field superconducting

45 x 45 x 45 cm FOV

Guaranteed Homogeneity
- 0.3ppm @35cm DSV (Vrms)

Active magnetic shielding

Helium cryogen

Refill: Up to two years

RF System

The Zenith RF receiver system provides the SNR advantage of vertical field magnet technology used in concert with solenoid RF coils. Virtually all of Oasis’ coils support RAPID™ parallel imaging for maximum clinical flexibility and image quality.

Gradient System

The standard Oasis gradients deliver the capability for rapid acquisition of high-resolution images. The high peak strength and fast slew rate allow the user to select short TE times, small FOV, thin slices and high matrices.

Peak amplitude: 33 mT/m

Peak slew rate: 100 T/m/s

Active shielding

Water cooling

Gradient noise reduction
- Softsound™ sequences
- Sound dampening

Siting

The Oasis design attributes make it accommodating to existing facilities and easily planned into new construction.